High optical density ultra thin organic black matrix system
US5998090A · kind A · utility
10Cited by
5References
11Claims
0Family size
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Key dates
| Filing date | Dec 1, 1997 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Dec 1, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133512
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A high optical density, i.e., .gtoreq.3.0, at 1 micron or less film thickness, black matrix is disclosed having improved stability and shelf life as a consequence of admixing Pigment Black 7 and organic dye or dye mixtures on a polyimide polymer vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.